#
Free Sample Lessons

##
Algebra 2

A simple explanation of why fraction exponents are the same as square roots. Copyright © 2016 by Michael Litzky

Hire Michael

Another sample lesson: why is something to the zero power equal to one? Copyright © 2016 by Michael Litzky

Hire Michael

##
Pre-Calculus

This lesson is for students studying sequences and series. It explains the formula for summing an arithmetic series. It also tells an interesting story about how a ten-year-old boy figured out the formula. Behold: a mathematical proof made interesting and easy to follow! Copyright © 2011 by Michael Litzky

Hire Michael

Some strategies for proving trigonometric identities. Copyright © 2012 by Michael Litzky

Hire Michael

##
Algebra 1

A lively and amusing example of using "guess and check" to write an equation to solve a word problem which got me out of a jam. Just like we teachers always tell you might happen someday: this really happened to me! Copyright © 2011 by Michael Litzky.

Hire Michael

All site content © 2011, Michael Litzky